This is a replacement pullstart for the original V1 Nitro Star F4.6 engine as fitted to earlier versions of HPI's Savage X 4.6 Monster Truck.

PLEASE NOTE IT WILL NOT FIT THE NEWER V2 VERSION OF THE 4.6 ENGINE.

Requires stock 12mm one way bearing and mounting screws (not supplied).

Please ask if you are unsure if this will fit your engine or check out our other pullstarts and rotostarts.